Cloud-to-ground lightning activity shown in three ranges and in directional octants when used with a Vaisala TSS 928™ sensor

Cloud lightning counts when used with a Vaisala TSS 928™ sensor

Electric field intensity measurements when used with up to seven Vaisala EFM II sensors

Displays data within a 30-nautical mile (56-km) radius around the location

Map overlays

Custom Alarm Setting

Set alarms for specific lightning activity levels in each range and directional octant and for cloud lightning

Set alarms for unsafe electric field levels

Choice of automatic audible, visual and e-mail message alarms

Send alarm messages to any e-mail-enabled cell phone or pager

Logically combine cloud-to-ground,cloud and electric field intensity alarms for complete customization for unique local environments

Technical Specifications

Technical Specifications

Summary

​

​

Vaisala ALARM displays electric field measurements from up toseven Vaisala electric field mills and real-time lightning flash datafrom one Vaisala local lightning Thunderstorm Sensor. VaisalaALARM system includes a personal computer, network card,software, color monitor and power strip with surge protection.

​

​

Hardware Requirements

​

​

Personal Computer

Desktop

​Processor

​Pentium® III 750 MHz (minimum 500 MHz)

​RAM

​256 MB

​Hard Drive Space

​20 GB

​

​Ports

​2 serial

​

​Monitor

​17" (choose from standard and flat screen options)

​

​Resolution

​1024 x 768 pixels (or higher)

​

​Color Depth

​24 bit

​

​Peripherals

​CD-ROM drive, floppy drive, surge suppressing power strip

​

Operating System

​

​

​Microsoft Windows® 2000 (Service Pak 6.0)

​

​

​Windows XP®, Windows NT® (Service Pak 2.0)

​

​

Communications

​

​

The standard data link between the Vaisala ALARM system andVaisala electric field mills and Vaisala local lightning is by directserial connection via two RS-232 ports.

​

Communications Options

​

​

Communications card (32-bit PCI, 8 serial ports) For connecting to sensors within 10,000 feet of the system, communications hardware is a RS-232 cable, a RS-232/RS-422 interface, and a RS-422 cable. Other configurations are available for distances exceeding 10,000 feet.

Additional Options

​

​

​Relay card

​32-bit PCI, eight outputs; termination card and connecting cable

​

​UPS

​APC 1000 VA, 120V or 240V Battery pack for UPS extended backup

​

Support Services

​

​

​Vaisala ALARM system training can be tailored to your specific needs. Technical support is available online and via telephone, e-mail and fax. Contact your sales representative for details.